Bitcoin Core 27.0 Released |
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achow101: 27.0 Release Notes Bitcoin Core version 27.0 is now available from: https://bitcoincore.org/bin/bitcoin-core-27.0/ This release includes new features, various bug fixes and performance improvements, as well as updated translations. Please report bugs using the issue tracker at GitHub: https://github.com/bitcoin/bitcoin/issues To receive security and update notifications, please subscribe to: https://bitcoincore.org/en/list/announcements/join/ How to Upgrade If you are running an older version, shut it down. Wait until it has completely shut down (which might take a few minutes in some cases), then run the installer (on Windows) or just copy over /Applications/Bitcoin-Qt (on macOS) or bitcoind/bitcoin-qt (on Linux). Upgrading directly from a version of Bitcoin Core that has reached its EOL is possible, but it might take some time if the data directory needs to be migrated. Old wallet versions of Bitcoin Core are generally supported. Compatibility Bitcoin Core is supported and extensively tested on operating systems using the Linux Kernel 3.17+, macOS 11.0+, and Windows 7 and newer. Bitcoin Core should also work on most other Unix-like systems but is not as frequently tested on them. It is not recommended to use Bitcoin Core on unsupported systems. Notable changes libbitcoinconsensus libbitcoinconsensus is deprecated and will be removed for v28. This library has existed for nearly 10 years with very little known uptake or impact. It has become a maintenance burden. The underlying functionality does not change between versions, so any users of the library can continue to use the final release indefinitely, with the understanding that Taproot is its final consensus update. In the future, libbitcoinkernel will provide a much more useful API that is aware of the UTXO set, and therefore be able to fully validate transactions and blocks. (#29189) mempool.dat compatibility The mempool.dat file created by -persistmempool or the savemempool RPC will be written in a new format. This new format includes the XOR'ing of transaction contents to mitigate issues where external programs (such as anti-virus) attempt to interpret and potentially modify the file. This new format can not be read by previous software releases. To allow for a downgrade, a temporary setting -persistmempoolv1 has been added to fall back to the legacy format. (#28207) P2P and network changes BIP324 v2 transport is now enabled by default. It remains possible to disable v2 by running with -v2transport=0. (#29347) Manual connection options (-connect, -addnode and -seednode) will now follow -v2transport to connect with v2 by default. They will retry with v1 on failure. (#29058) Network-adjusted time has been removed from consensus code. It is replaced with (unadjusted) system time. The warning for a large median time offset (70 minutes or more) is kept. This removes the implicit security assumption of requiring an honest majority of outbound peers, and increases the importance of the node operator ensuring their system time is (and stays) correct to not fall out of consensus with the network. (#28956) Mempool Policy Changes Opt-in Topologically Restricted Until Confirmation (TRUC) Transactions policy (aka v3 transaction policy) is available for use on test networks when -acceptnonstdtxn=1 is set. By setting the transaction version number to 3, TRUC transactions request the application of limits on spending of their unconfirmed outputs. These restrictions simplify the assessment of incentive compatibility of accepting or replacing TRUC transactions, thus ensuring any replacements are more profitable for the node and making fee-bumping more reliable. TRUC transactions are currently nonstandard and can only be used on test networks where the standardness rules are relaxed or disabled (e.g. with -acceptnonstdtxn=1). (#28948) External Signing Support for external signing on Windows has been disabled. It will be re-enabled once the underlying dependency (Boost Process), has been replaced with a different library. (#28967) Updated RPCs The addnode RPC now follows the -v2transport option (now on by default, see above) for making connections. It remains possible to specify the transport type manually with the v2transport argument of addnode. (#29239) Build System A C++20 capable compiler is now required to build Bitcoin Core. (#28349)MacOS releases are configured to use the hardened runtime libraries (#29127) Wallet The CoinGrinder coin selection algorithm has been introduced to mitigate unnecessary large input sets and lower transaction costs at high feerates. CoinGrinder searches for the input set with minimal weight. Solutions found by CoinGrinder will produce a change output. CoinGrinder is only active at elevated feerates (default: 30+ sat/vB, based on -consolidatefeerate×3). (#27877)The Branch And Bound coin selection algorithm will be disabled when the subtract fee from outputs feature is used. (#28994)If the birth time of a descriptor is detected to be later than the first transaction involving that descriptor, the birth time will be reset to the earlier time. (#28920) Low-level changes Pruning When pruning during initial block download, more blocks will be pruned at each flush in order to speed up the syncing of such nodes. (#20827) Init Various fixes to prevent issues where subsequent instances of Bitcoin Core would result in deletion of files in use by an existing instance. (#28784, #28946)Improved handling of empty settings.json files. (#29144) Credits Thanks to everyone who directly contributed to this release: 22388o⚡️Aaron ClausonAmiti UttarwarAndrew TothAnthony TownsAntoine PoinsotAva ChowBrandon OdiwuorbrunoergChris StewartCory Fieldsdergoeggedjschnei21Fabian JahrfanquakefurszyGloria ZhaoGreg SandersHennadii StepanovHernan Marinoiamcarlos94ismaelsadeeqJameson LoppJesse BartonJohn MoffettJon AtackjosibakejrakibiJustin DhillonKashif SmithkevkevinKristaps KaupeL0la L33tzLuke DashjrLőrincmarcoMarcoFalkeMark FriedenbachMarnixMartin Leitner-AnkerlMartin ZumsandeMax EdwardsMurchmuxatornaiyomaNikodemas Tuckusns-xvrnpablomartin4btcPeter ToddPieter WuilleRichard MyersRoman ZeydeRussell YanofskyRyan OfskySebastian FalbesonerSergi Delgado SeguraSjors Provooststickies-vstratospherSupachai KheawjuyTheCharlatanUdjinM6Vasil Dimovw0xltwillcl-ark As well as to everyone that helped with translations on Transifex. |
okae: Ty to everyone who contribute to this update!!! Please, never forget to Verifying Bitcoin Core before you install/use it, is a good practice... also go to the source and check those SHA256SUMS by yourselft. Code: dcd49a8e3711d867c4ad5d7ffbc1ff20f66c82cc8bf660b5f6964eeaa289a739 bitcoin-27.0-aarch64-linux-gnu-debug.tar.gz cb35e250ae9d0328aa90e7aad0b877ed692597420a1092e8ab1a5dd756209722 bitcoin-27.0-aarch64-linux-gnu.tar.gz 61e1225d9c00b50c2e1712e722b285b6e4de1f1dd9da969596511b8a8986c1f0 bitcoin-27.0-arm-linux-gnueabihf-debug.tar.gz 9d4c28e7620d03bf346ebea388f222e4d6d2b996d7eb32fab72707b8320d5249 bitcoin-27.0-arm-linux-gnueabihf.tar.gz 7f060f2cd07746ff9d09b000b4195fee88dfca8444ab7a73f0c76aff4225227c bitcoin-27.0-arm64-apple-darwin.zip d1ddb2855a6c76ab4d2cc31315303cba77ef44fdd877b01ffd5918e548b07cae bitcoin-27.0-arm64-apple-darwin-unsigned.tar.gz 48d47cf0944034d7ef288f24ce73a6e2f85a9b6199dad5425464dd589ecf96e9 bitcoin-27.0-arm64-apple-darwin-unsigned.zip 1d9d9b837297a73fc7a3b1cfed376644e3fa25c4e1672fbc143d5946cb52431d bitcoin-27.0-arm64-apple-darwin.tar.gz d22f0f8b2d9eb8eac0819d5ebc4b3c4c5f5984cf6e0acefa81ebc6e914938293 bitcoin-27.0-codesignatures-27.0.tar.gz 9c1ee651d3b157baccc3388be28b8cf3bfcefcd2493b943725ad6040ca6b146b bitcoin-27.0.tar.gz 837c72fea5ceca69b3d06870dd4926c011dec7924f3f8f3428b2153945bbbb4a bitcoin-27.0-powerpc64-linux-gnu-debug.tar.gz 6ceaedb59ca33b751387b15f2c8da7f2f7cd2739c6464fc6cbef440852869b92 bitcoin-27.0-powerpc64-linux-gnu.tar.gz 81102572b0aee8627b162680699ce1d2828908cc4dd317e34697404ac04220fa bitcoin-27.0-powerpc64le-linux-gnu-debug.tar.gz 3c00f81a7c67b4cf3e382fae7eaa2c7facea2dfdf39f4c281512237c06b71960 bitcoin-27.0-powerpc64le-linux-gnu.tar.gz 7274aedbfc363adc28d3b19340e4578b983cfbd617f328313fb5b95e24864799 bitcoin-27.0-riscv64-linux-gnu-debug.tar.gz 371e53b21c3ba29a90e69c30b7213d75c165d084bde50ae6d73ee0e1ef179e68 bitcoin-27.0-riscv64-linux-gnu.tar.gz 8c94d3a7e34b59effdcf283263d5e84f2b009e601076282e9697ab4244bef3e8 bitcoin-27.0-x86_64-apple-darwin.zip 8cdabb19c0b2464ec21306615e0429362b6de9b73d5e796dc4dbc82437e76ddd bitcoin-27.0-x86_64-apple-darwin-unsigned.tar.gz 0b347bd2474eab483ee24e1751a2de3e37260826bf71340eaad233f6017af306 bitcoin-27.0-x86_64-apple-darwin-unsigned.zip e1efd8c4605b2aabc876da93b6eee2bedd868ce7d1f02b0220c1001f903b3e2c bitcoin-27.0-x86_64-apple-darwin.tar.gz 3d9ed703ceaeba9d234d05bf7ae20dde48fb52287eae236e8c2b2021a8db0fbc bitcoin-27.0-x86_64-linux-gnu-debug.tar.gz 2a6974c5486f528793c79d42694b5987401e4a43c97f62b1383abf35bcee44a8 bitcoin-27.0-x86_64-linux-gnu.tar.gz a2aa3db390a768383e8556878250a44f3eb3b7a6e91e94e47fa35c06b6e8d09f bitcoin-27.0-win64-setup.exe 33fadef48835acf9b2dfda42b2d2015f30403608dc8af7a3f3dd2b9ec224e56e bitcoin-27.0-win64-debug.zip e8114ed85a976ff439bd78cbf026e3f9bfafdf40d0fe75121e73bd4b7af347a4 bitcoin-27.0-win64-setup-unsigned.exe 1578aa2b88427086336e6990e4ce9b752d3d83b34b38ecc29f6325abb6ad3694 bitcoin-27.0-win64-unsigned.tar.gz ca75babeaa3fb75f5a166f544adaa93fd7c1f06cf20d4e2c8c2a8b010f4c7603 bitcoin-27.0-win64.zip |
satscraper: I have tested v.27.0 on a few machines running either Linux or Windows 10/11 and got the feeling that updated nodes halt (when needed) all operations a bit faster than when they were armored with previous v. 26.0 Anyone can confirm this observation or it is solely my impression? |
SAHASAN: What about Apple iOS is it able to mine and others work smoothly with apply IOS system? I want to try it with apple ios system. |
khalidkhan82118: Wow, version 27.0 of Bitcoin Core seems packed with updates! I'm particularly intrigued by the introduction of CoinGrinder for coin selection. I wonder how much this will impact transaction costs and overall efficiency. Also, the move towards a C++20 compiler requirement is interesting. I'm curious about the implications for developers and the ecosystem as a whole. Any insights or thoughts on these changes? |
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